CN101713441A - Secondary brake for a work machine including an adjustable ball ramp assembly - Google Patents

Secondary brake for a work machine including an adjustable ball ramp assembly Download PDF

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Publication number
CN101713441A
CN101713441A CN200910169829A CN200910169829A CN101713441A CN 101713441 A CN101713441 A CN 101713441A CN 200910169829 A CN200910169829 A CN 200910169829A CN 200910169829 A CN200910169829 A CN 200910169829A CN 101713441 A CN101713441 A CN 101713441A
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CN
China
Prior art keywords
inner panel
ball
break
center plate
friction disk
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN200910169829A
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Chinese (zh)
Inventor
托马斯·乔治·奥
理查德·内维尔·诺尔斯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Deere and Co
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Deere and Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Deere and Co filed Critical Deere and Co
Publication of CN101713441A publication Critical patent/CN101713441A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
    • F16D65/16—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
    • F16D65/18—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together, e.g. for disc brakes
    • F16D65/186—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together, e.g. for disc brakes with full-face force-applying member, e.g. annular
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2121/00—Type of actuator operation force
    • F16D2121/02—Fluid pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2121/00—Type of actuator operation force
    • F16D2121/14—Mechanical
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2123/00—Multiple operation forces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2125/00—Components of actuators
    • F16D2125/18—Mechanical mechanisms
    • F16D2125/20—Mechanical mechanisms converting rotation to linear movement or vice versa
    • F16D2125/34—Mechanical mechanisms converting rotation to linear movement or vice versa acting in the direction of the axis of rotation
    • F16D2125/36—Helical cams, Ball-rotating ramps
    • F16D2125/38—Helical cams, Ball-rotating ramps with plural cam or ball-ramp mechanisms arranged concentrically with the brake rotor axis

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Abstract

A brake for use in a work machine includes a friction disc, a ball ramp assembly, an actuator and an adjustment mechanism. The ball ramp assembly includes an inner plate, a center plate and an outer plate which are generally coaxially arranged relative to each other. The inner plate includes an outer axial face with a plurality of ball ramps, the center plate includes opposite axial faces which each have a plurality of ball ramps, and the outer plate includes an inner axial face with a plurality of ball ramps. A plurality of balls are respectively positioned within one of the plurality of balls ramps of the center plate, and also positioned within one of the ball ramps of a corresponding inner plate or outer plate. The actuator is coupled with the center plate for actuating the ball ramps. The adjustment mechanism is coupled with the inner plate or the outer plate for adjusting the ball ramp assembly relative to the friction disc.

Description

Be used to comprise the auxiliary brake of the Work machine of adjustable ball ramp assembly
Technical field
The present invention relates to Work machine, relate in particular to a kind of auxiliary braking assembly that is used for this Work machine.
Background technique
Work machine, for example farm tractor can comprise that internal combustion (IC) motor is used to provide input power and gives transmission device, transmission device connects by the rear end differential mechanism again and the driving rear axle.Transmission device and differential mechanism and rear axle are called as Work machine " rear portion " sometimes.Transmission device is connected to the front of rear end differential mechanism usually and provides input power for it.The rear end differential mechanism provides ground connection power to two rear axles, and the rear end differential mechanism generally includes at least one power output (PTO) axle, and it extends in the trifilar suspension range of structures at tractor rear portion backward.
Work machine generally includes a pair of foundation brakes that is associated with two rear axles respectively.Common a pair of brake petal is positioned at operator's console.The break at the rear portion, brake petal operation control left side on the left side, and the break at the brake petal on the right operation control rear portion, right side.Depress two rear brake of two brake petal operation control simultaneously.Each break generally includes a hydraulically operated piston, and this piston is activated when depressing corresponding brake petal.The relative friction disk of piston applies bias force, and friction disk is supported by reaction plate again.
In North America market, aforesaid foundation brakes all typically is provided in the Work machine.Yet, as (area I I) market, Europe, except foundation brakes, also need auxiliary brake in other markets.Under the situation that the hydraulic driving foundation brakes breaks down, this auxiliary brake applies strict mechanical bias power usually.
One type the auxiliary brake that Work machine uses comprises friction disk, and this friction disk is separated with the friction disk that is associated with foundation brakes.Auxiliary brake does not often use, so the special-purpose friction disk that is associated with auxiliary brake can not suffer considerable wear.
What is needed in the art is a kind of auxiliary brake that is used for Work machine, it does not have other existing auxiliary brake complexity, and is simultaneously still reliable and be easy to use.
Summary of the invention
A kind of form of the present invention is the break that is used for Work machine.This break comprises relative to each other inner panel, center plate and the outside plate of arranged in co-axial alignment substantially.Described inner panel comprises the outer axial vane surface with a plurality of ball ramps, and described center plate comprises the relative axial vane surface that respectively has a plurality of ball ramps, and described outside plate comprises the interior axial vane surface with a plurality of ball ramps.A plurality of balls place respectively in of a plurality of ball ramps of described center plate, and also place in described one of them ball ramp of corresponding inner panel or outside plate.
Another kind of form of the present invention is the break that is used in the Work machine.Described break comprises friction disk, ball ramp assembly, actuator and controlling mechanism.Described ball ramp assembly comprises inner panel, center plate and outside plate, and they are the cardinal principle arranged in co-axial alignment relative to each other.Described inner panel comprises the outer axial vane surface with a plurality of ball ramps; Described center plate comprises relative axial vane surface, and wherein each axial vane surface has a plurality of ball ramps; And described outside plate comprises the interior axial vane surface with a plurality of ball ramps.In one in a plurality of ball ramps of a plurality of balls difference centering plates, and also place in one of them ball ramp of corresponding inner panel or outside plate.Described actuator is connected with center plate and is used to make the ball ramp action.Described controlling mechanism connects with inner panel or outside plate and is used for relative friction disk adjusting ball ramp assembly.
It is at Work machine that the present invention also has another kind of form, comprises motor and the rear portion that is connected with motor.Described rear portion comprises a pair of rear axle and a pair of rear end break, and each rear end break is associated with each rear axle respectively.Each rear end break comprises friction disk, ball ramp assembly, actuator and controlling mechanism.Described ball ramp assembly comprises inner panel, center plate and outside plate, and they are the cardinal principle arranged in co-axial alignment relative to each other.Described inner panel comprises the outer axial vane surface with a plurality of ball ramps; Described center plate comprises relative axial vane surface, and wherein each axial vane surface has a plurality of ball ramps; And described outside plate comprises the interior axial vane surface with a plurality of ball ramps.In one in a plurality of ball ramps of a plurality of balls difference centering plates, and also place in one of them ball ramp of corresponding inner panel or outside plate.Described actuator is connected with center plate and is used to make the ball ramp action.Described controlling mechanism connects with inner panel or outside plate and is used for relative friction disk adjusting ball ramp assembly.
Description of drawings
Fig. 1 is the perspective view that is used in the described rear portion of the embodiment of the invention in the farm tractor;
Fig. 2 is the rear end differential mechanism shell perspective view at rear portion shown in Fig. 1, has the auxiliary brake of appropriate location in the differential mechanism shell of rear end;
Fig. 3 is another perspective view of rear end differential mechanism shell shown in Figure 2, and the lid that is used for controlling mechanism is removed;
Fig. 4 is another perspective view of the rear end differential mechanism shell shown in Fig. 2 and 3;
Fig. 5 is the perspective internal view of the rear end differential mechanism shell shown in Fig. 2-4, and actuator and controlling mechanism in the shell are shown;
Fig. 6 is the sectional view of 6-6 along the line among Fig. 2, and the parts of foundation brakes and auxiliary brake are shown;
Fig. 7 is another sectional view of the auxiliary brake of 7-7 along the line among Fig. 2;
Fig. 8 is the sectional view of the controlling mechanism of 8-8 along the line among Fig. 2;
Fig. 9 is the perspective view of actuator and controlling mechanism, and actuator and controlling mechanism combine with center plate and inner panel respectively, and rear end differential mechanism shell removes; And
Figure 10-15 shows the sequential grammar of the assembling of auxiliary brake.
Specific embodiments
With reference to existing accompanying drawing, especially Fig. 1 and Fig. 2, show the rear end transmission system of a part, especially tractor of the Work machine 10 of farm tractor form.Though illustrate as farm tractor, Work machine 10 can be multi-form Work machine, for example builds tractor or forestry machinery.
Tractor 10 comprises the rear portion with transmission device 12, and it is connected with rear end differential mechanism 14, and rear end differential mechanism 14 drives a pair of rear axle 16 again.Each rear axle 16 comprises external hub 18, and corresponding rear driving wheel (not shown) is mounted to external hub 18.Though rear axle 16 is illustrated configuration in order to support the corresponding driving wheel, rear end differential mechanism 14 can be configured in order to drive a pair of ground connection crawler belt.
Transmission device 12 comprises driven shaft 20, and itself and IC motor 22 mechanical connections also receive the rotation input power from IC motor 22, and are shown in Figure 1.Driven shaft 20 is by suitably meshing rear end differential mechanism 14 transmitting rotary power (see figure 2)s.
Driven shaft 20 extends through shell 24 and rotatably supports by shell 24, and shell 24 also is equipped with and rotatably supports a large amount of other assemblies.For example, shell 24 supported mechanical formula front-wheel drive bridge (MFWD) modules (not specifically illustrating), it optionally transmits outputting power to output shaft 26, provides the rotation outputting power to the described MFWD on the front axle of tractor 10.The clutch device (not shown) optionally interconnects with output shaft 26, thereby engages described MFWD by the startup of the switch (not shown) in the operator's console.
Rear end differential mechanism 14 comprises rear end differential mechanism shell 28, also shown in Fig. 2-5.Differential mechanism shell 28 is supported on the of the present invention a pair of break 30 on each rear axle 16, comprises foundation brakes 32 and auxiliary brake 34.Single break 30 only is shown in Fig. 2-4, and described another break is identical substantially.
With reference to Fig. 6, foundation brakes 32 generally comprises piston 36, friction disk 38 and reaction plate 40.Piston 36 is by depressing the corresponding foot treadle hydraulic driving in the operator's console, and it applies power again on friction disk 38, supports by reaction plate 40.When piston 36 was not hydraulic driving, the spring-loaded distractor (not shown) that is arranged in the passage 42 was offset piston 36 with the direction away from friction disk 38.
Auxiliary brake 34 similarly uses and forms the identical assembly of foundation brakes, so increase friction disk etc. are unwanted, therefore reduces number of elements and cost.Auxiliary brake 34 also comprises ball ramp assembly 44, actuator 46 and controlling mechanism 48.
Ball ramp assembly comprises inner panel 50, center plate 52, outside plate 52 and a plurality of ball 56 (Fig. 6,7 and 9).Inner panel 50, center plate 52 and outside plate 54 are configured as the substantially dish of annular, and they are arranged in co-axial alignment relative to each other in piston 36 radial outside zones generally.Inner panel 50 comprises the outer axial vane surface with a plurality of ball ramps 60.Ball ramp 60 is considered to be in elongated, the inclined notches formed that forms on the outer axial vane surface 58 usually.Change the whole axial thickness of ball ramp assembly 44 between inner panel 50, center plate 52 and the outside plate 54 at the feasible again ball that is supported in the ball ramp 60 of the relative movement of sense of rotation.
Be positioned at the center plate 52 adjacent with inner panel and comprise relative axial vane surface 62 and 64, each axial vane surface has a plurality of ball ramps 66 and 68.The ball ramp 66 that is associated with interior axial vane surface 62 has the ramp longer than the ball ramp that is associated with outer axial vane surface 64 64.The longer ball ramp that is associated with interior axial vane surface 62 offers ball ramp assembly 44 axial thicknesss and regulates better, and the short ball ramp 68 that is associated with outer axial vane surface 64 limits the startup side of ball ramp assembly.Center plate 52 also comprises a plurality of holes 70, and corresponding pressure spring 72 is admitted in hole 70, and it clips together plate 50,52 and 54.
Outside plate 54 comprises the interior axial vane surface 74 with a plurality of ball ramps 76 similarly.Ball ramp 76 is short ball ramps, has generally and the ball ramp 68 corresponding length on the outer axial vane surface 64 of center plate 52.Although ball 56 has identical size between the ball 56 between center plate that illustrates 52 and the outside plate 56 and center plate 52 and the inner panel 50, also can provide size different balls between the respective plate.Be that ball 56 is of different sizes size between ball 56 between center plate 52 and the outside plate 56 and center plate 52 and the inner panel 50.
Center plate 52 also comprises ear 78, the outside radial extension of its outer rim from the remainder of center plate 52.Ear 78 comprises opening 80, and it is dimensioned the actuator 46 (Fig. 5 and 9) that is supported by rear end differential mechanism shell 28 in order to admittance with shape.Actuator 46 is connected to the bar 82 that extends through differential mechanism shell 28, and bar 82 connects the starting bar 84 of differential mechanism shell 28 outsides again.Starting bar 84 can be configured taxonomically with connection and manually boot linkage or similar device to be used for engaging auxiliary brake 34 by making of actuator 46.When the friction disk 38 of foundation brakes 32 wore and tore along with the time, controlling mechanism 48 was used to regulate the axial thickness of ball ramp assembly 44.Compare with the auxiliary brake of the special-purpose friction disk of known use, the present invention uses the friction disk 38 on the foundation brakes 32, and it can stand more wearing and tearing, therefore needs the irregular adjusting of ball ramp assembly 44 thickness.
Controlling mechanism 48 generally comprises adjustable connecting-rod 86, the outside that it connects inner panel 50 and can arrive differential mechanism shell 28 (Fig. 5,8 and 9).Shown in specific embodiment, adjustable connecting-rod 86 is the L shaped connecting rod forms of cardinal principle, and it has an end 88 and is installed in the hole 90 (Figure 10) to form inner panel 50.L shaped connecting rod 86 has relative have outside thread one end 92, its adjusting nut 94 that is threaded.Adjusting nut 94 is received within the opening 96 that can arrive differential mechanism shell 28 outsides.Opening 96 is not needing the most of the time near adjusting nut 94 to close (Fig. 2,3 and 8) by lid 98.Lid 98 can comprise flat board, and it engages adjusting nut 94 to prevent that adjusting nut 94 rotates when lid 98 is in place.
With reference to Figure 10-15, will the overall assembling of ball ramp assembly 44 be described.Inner panel 50 (Figure 10) is formed a regulator board, and it is oriented to have the outer axial vane surface 58 towards last, so ball 56 can be placed in the corresponding ball ramp 60.Spring 72 a wherein end also is connected in the inner panel 50 (Figure 11).Center plate 52 limits a start-up board, and it is set at the top of inner panel 50, so that spring 72 extends through the hole 70 in the center plate 52.The position in hole 70 makes the ball 56 of inner panel 50 upper surfaces with the ball ramp 66 on the interior axial vane surface 62 of centering plate 52.Be added to after second row's the ball 56 on the startup ball ramp 66 short on the outer axial vane surface 64 of center plate 52 (Figure 13).Outside plate 54 defined reaction plates, on its plate 52 that centers subsequently, the other end of spring 72 extends through the slit opening that forms on the outside plate 54 like this.Thereby spring 72 is slightly stretched fixing pin 100 subsequently and can inserts so that whole ball ramp assembly 44 is fixed together.
In case friction disk 38 wore and tore along with the time, in order to regulate the axial thickness of ball ramp assembly 44, lid 98 removes from differential mechanism shell 28, and adjusting nut 94 is rotated.This causes rotatablely moving of inner panel 50 again.Ball 56 expansion inner panels 50 in corresponding ramp 60 and 66 and the axial clearance between the center plate 52, thereby the total thickness of increase ball ramp assembly 44.
In order to start auxiliary brake 34, starting bar 84 is started simultaneously so that a pair of actuator 46 in differential mechanism shell 28 each side engages corresponding center plate 52.Center plate 52 moves with the direction shown in the arrow among Fig. 7 102.This causes the gap between 56 increase center plates 52 of the ball between adjacent ramp 68 and 76 and outside plate 54, thereby the power that applies is given piston 36 and friction disk 38.
Narrated preferred embodiment, but, can make multiple modification obviously in the scope of the claims that do not break away from the present invention's qualification.

Claims (24)

1. the break that uses in the Work machine, described break comprises:
Relative to each other substantially an inner panel, a center plate and an outside plate of arranged in co-axial alignment, described inner panel comprises that one has the outer axial vane surface of a plurality of ball ramps, described center plate comprises the relative axial vane surface that respectively has a plurality of ball ramps, and described outside plate comprises that one has the interior axial vane surface of a plurality of ball ramps; And
A plurality of balls, each described ball are placed in in described a plurality of ball ramps of described center plate one, and also are placed in one of them described ball ramp of corresponding described inner panel and described outside plate in one of them.
2. break according to claim 1, wherein said break is an auxiliary brake, and comprise further that a friction disk that is associated with a foundation brakes, described auxiliary brake are applicable to and apply a mechanical bias power on the described friction disk of described foundation brakes.
3. break according to claim 2, also comprise a hydraulic drive piston that is associated with described foundation brakes, be used to apply a power and give described friction disk, described auxiliary brake is applicable to and applies a mechanical bias power on described piston that it applies a mechanical bias power again on described friction disk.
4. break according to claim 3, each is arranged on the outside of described piston radially wherein said inner panel, described center plate and described outside plate.
5. break according to claim 2 comprises that one is used for the controlling mechanism that described relatively friction disk is regulated described break, and described controlling mechanism comprises an adjustable connecting-rod that is connected with described inner panel.
6. break according to claim 5, wherein said adjustable connecting-rod are L shaped connecting rods, and the one end is connected with described inner panel, the adjusting nut and its other end is threaded.
7. break according to claim 6, wherein said inner panel comprises a hole, a described end of described L shaped connecting rod is received within the described hole.
8. break according to claim 1, wherein said center plate comprise that one has the ear of an opening, and comprise that also one is received within the interior actuator of described opening in order to start described ball ramp.
9. break according to claim 8 comprises that one is connected to the starting bar of described actuator.
10. break according to claim 1, each in wherein said inner panel, described center plate and the described outside plate are annular substantially dishes.
11. the break that uses in the Work machine, described break comprises:
One friction disk;
One ball ramp assembly comprises:
Relative to each other substantially an inner panel, a center plate and an outside plate of arranged in co-axial alignment, described inner panel comprises that one has the outer axial vane surface of a plurality of ball ramps, described center plate comprises the relative axial vane surface that respectively has a plurality of ball ramps, and described outside plate comprises that one has the interior axial vane surface of a plurality of ball ramps; And
A plurality of balls, each described ball are placed in in described a plurality of ball ramps of described center plate one, and also are placed in one of them described ball ramp of corresponding described inner panel and described outside plate in one of them;
One actuator, it is connected with described center plate in order to start described ball ramp; And
One controlling mechanism, its with described inner panel and described outside plate in one be connected in order to relative described friction disk and regulate described ball ramp assembly.
12. break according to claim 11, also comprise a hydraulic drive piston that is associated with described foundation brakes, be used to apply a power and give described friction disk, described ball ramp is one to be applicable to and to apply the auxiliary brake of a mechanical bias power on described piston that described piston applies a mechanical bias power again on described friction disk.
13. break according to claim 12, each is arranged on the outside of described piston radially wherein said inner panel, described center plate and described outside plate.
14. break according to claim 13 is characterized in that: comprise that one is used for the controlling mechanism that described relatively friction disk is regulated described break, described controlling mechanism comprises an adjustable connecting-rod that is connected with described inner panel.
15. break according to claim 14, wherein said adjustable connecting-rod are L shaped connecting rods, the one end is connected with described inner panel, the adjusting nut and its other end is threaded.
16. break according to claim 15, wherein said inner panel comprises a hole, and a described end of described L shaped connecting rod is received within the described hole.
17. break according to claim 11, wherein said center plate comprise that one has the ear of an opening, and comprise that also one is received within the interior actuator of described opening in order to start described ball ramp.
18. break according to claim 17 comprises that one is connected to the starting bar of described actuator.
19. break according to claim 11, wherein said controlling mechanism is connected with described inner panel.
20. break according to claim 11, each in wherein said inner panel, described center plate and the described outside plate are annular substantially dishes.
21. a Work machine comprises:
One motor; And
One rear portion that is connected with described motor, described rear portion comprise a pair of rear axle and a pair of rear end break that is associated with each rear axle respectively, and each described rear end break comprises:
One friction disk;
One ball ramp assembly comprises:
Relative to each other substantially an inner panel, a center plate and an outside plate of arranged in co-axial alignment, described inner panel comprises that one has the outer axial vane surface of a plurality of ball ramps, described center plate comprises the relative axial vane surface that respectively has a plurality of ball ramps, and described outside plate comprises that one has the interior axial vane surface of a plurality of ball ramps; And
A plurality of balls, each described ball are placed in in described a plurality of ball ramps of described center plate one, and also are placed in one of them described ball ramp of corresponding described inner panel and described outside plate in one of them;
One actuator, it is connected with described center plate in order to start described ball ramp; And
One controlling mechanism, its with described inner panel and described outside plate in one be connected in order to relative described friction disk and regulate described ball ramp assembly.
22. Work machine according to claim 21, also comprise a hydraulic drive piston that is associated with described foundation brakes, be used to apply a power and give described friction disk, described ball ramp is one to be applicable to and to apply the auxiliary brake of a mechanical bias power on described piston that described piston applies a mechanical bias power again on described friction disk.
23. Work machine according to claim 21 comprises that one is used for the controlling mechanism that described relatively friction disk is regulated described break, described controlling mechanism comprises an adjustable connecting-rod that is connected with described inner panel.
24. Work machine according to claim 21, wherein said center plate comprise that one has the ear of an opening, and comprise that also one is received within the interior actuator of described opening in order to start described ball ramp.
CN200910169829A 2008-10-08 2009-09-04 Secondary brake for a work machine including an adjustable ball ramp assembly Pending CN101713441A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/247,341 2008-10-08
US12/247,341 US20100084225A1 (en) 2008-10-08 2008-10-08 Secondary Brake For A Work Machine Including An Adjustable Ball Ramp Assembly

Publications (1)

Publication Number Publication Date
CN101713441A true CN101713441A (en) 2010-05-26

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ID=41368679

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200910169829A Pending CN101713441A (en) 2008-10-08 2009-09-04 Secondary brake for a work machine including an adjustable ball ramp assembly

Country Status (5)

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US (1) US20100084225A1 (en)
EP (1) EP2175157B1 (en)
CN (1) CN101713441A (en)
BR (1) BRPI0903929A2 (en)
ES (1) ES2401322T3 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104214052B (en) * 2013-05-28 2018-08-14 西门子公司 Dehumidification system

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US20040262101A1 (en) * 2003-06-24 2004-12-30 Dietmar Baumann Disk brake with self-boosting
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US20080121471A1 (en) * 2006-11-27 2008-05-29 Kabushiki Kaisha Toyota Jidoshokki Gap adjusting mechanism of a wet brake

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1480344A1 (en) * 1961-04-27 1969-07-17 Teves Gmbh Alfred Part-fitting disc brake
DE10158762A1 (en) * 2001-11-29 2003-06-12 Ina Schaeffler Kg Braking device for vehicle, has third ramp plate axially behind second ramp plate and between it and brake disk with further roller bodies between ramps of second and third ramp plates
US20040262101A1 (en) * 2003-06-24 2004-12-30 Dietmar Baumann Disk brake with self-boosting
CN101002036A (en) * 2004-08-04 2007-07-18 克诺尔商用车制动系统有限公司 Adjusting device for a pneumatic disc brake
US20080121471A1 (en) * 2006-11-27 2008-05-29 Kabushiki Kaisha Toyota Jidoshokki Gap adjusting mechanism of a wet brake

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104214052B (en) * 2013-05-28 2018-08-14 西门子公司 Dehumidification system

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Publication number Publication date
US20100084225A1 (en) 2010-04-08
EP2175157A1 (en) 2010-04-14
EP2175157B1 (en) 2012-12-12
BRPI0903929A2 (en) 2010-07-20
ES2401322T3 (en) 2013-04-18

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Application publication date: 20100526